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METHOD, SYSTEM AND WIRELESS DEVICE FOR MONITORING PROTECTIVE HEADGEAR BASED ON POWER DATA

13/309,757 | U.S. Patent Application

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Location ELECTRONIC
Filed Dec. 2, 2011
Examiner RYAN W SHERWIN
Class 340
Art Group 2686
Patent No. 9,495,847
Case Type Utility - 340/539320
Status Patented Case
Parent 61/558,764 Expired
Parent 12/713,316 Patented
Last Updated: 3 years, 7 months ago
Date # Transaction